:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  font-weight: 500;
  color: #646cff;
  text-decoration: inherit;
}
a:hover {
  color: #535bf2;
}



h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.25s;
}
/*button:hover {*/
/*  border-color: #646cff;*/
/*}*/
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

.card {
  padding: 2em;
}

/*#app {*/
/*  max-width: 1280px;*/
/*  margin: 0 auto;*/
/*  padding: 2rem;*/
/*  text-align: center;*/
/*}*/

@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #f9f9f9;
  }
  a:hover {
    color: #747bff;
  }
  button {
    background-color: #f9f9f9;
  }
}


body {
  margin: 0;
  padding: 0;

}

/*把所有的元素变成盒状模型*/
* {
  /*外边距不会额外占用1px的像素*/
  box-sizing: border-box;

}

button{
  border: none;
}

ul {
  list-style-type: none;
}
::-webkit-scrollbar {
  /*隐藏滚轮*/
  display: none;
}
